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$319+ Cheap flights from Seattle (SEA) to Spain

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Seattle to Spain

Keep the following information in mind while searching for Seattle to Spain flight deals. Data was last updated February 20, 2025.

Round-trip from

$566
(Delta)

One-way from

$319
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$688
From Seattle/Tacoma Intl to Spain
Search Deals
One-way flight from Seattle/Tacoma Intl to Spain
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($247 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Seattle to Spain

Cheapest flights from Seattle to Spain
Explore the most affordable flight options available from Seattle to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/316:45 pmSEA - BCN
1 stop18h 40mAer Lingus
Tue 4/811:00 amBCN - SEA
1 stop14h 59mAer Lingus
Deal found 2/20$567
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/297:00 pmSEA - BCN
2 stops17h 15mMultiple Airlines
Wed 5/72:25 pmBCN - SEA
1 stop15h 03mMultiple Airlines
Deal found 2/20$594
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:00 amSEA - BCN
1 stop15h 20mUnited Airlines
Wed 11/1912:15 pmBCN - SEA
2 stops41h 57mUnited Airlines
Deal found 2/20$597
This oojo deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:50 pmSEA - BCN
1 stop16h 20mBritish Airways
Wed 11/191:30 pmBCN - SEA
1 stop17h 19mBritish Airways
Deal found 2/20$618
This CrystalTravel deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:10 pmSEA - MAD
1 stop18h 20mTurkish Airlines
Thu 9/257:40 amMAD - SEA
1 stop18h 35mTurkish Airlines
Deal found 2/20$623
This Flightnetwork deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/15:45 amSEA - BCN
2 stops18h 35mAir Canada
Tue 4/812:10 pmBCN - SEA
2 stops18h 16mAir Canada
Deal found 2/20$632
This KLM deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/21:30 pmSEA - VLC
1 stop24h 40mMultiple Airlines
Wed 4/96:20 amVLC - SEA
1 stop14h 25mMultiple Airlines
Deal found 2/19$634
This oojo deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/298:20 pmSEA - MAD
2 stops27h 40mBritish Airways
Sat 4/512:40 pmMAD - SEA
1 stop17h 34mBritish Airways
Deal found 2/19$637
This KLM deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/15:50 pmSEA - VLC
1 stop13h 45mKLM
Tue 4/85:15 pmVLC - SEA
1 stop31h 45mKLM
Deal found 2/19$638
This FlightHub deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/138:00 pmSEA - BCN
1 stop31h 00mTurkish Airlines
Tue 3/257:50 amBCN - SEA
1 stop18h 15mTurkish Airlines
Deal found 2/20$638
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/211:50 amSEA - VLC
2 stops19h 45mDelta
Wed 4/96:20 amVLC - SEA
1 stop18h 40mDelta
Deal found 2/19$642
This Trip.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:00 amSEA - IBZ
2 stops31h 05mMultiple Airlines
Tue 4/89:30 amIBZ - SEA
2 stops35h 15mMultiple Airlines
Deal found 2/19$646

Find flights from Seattle to Spain within your budget

Customize your flight search to find flights from Seattle to Spain that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Seattle

Fly to

Spain

Route

Depart

Return

Price

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Mon 3/31

6:45 pm-10:25 pm

1 stop18h 40m

Barcelona-El Prat

Tue 4/8

11:00 am-4:59 pm

1 stop14h 59m

$567

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 4/29

7:00 pm-9:15 pm

2 stops17h 15m

Barcelona-El Prat

Wed 5/7

2:25 pm-8:28 pm

1 stop15h 03m

$594

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 4/1

5:45 am-9:20 am

2 stops18h 35m

Barcelona-El Prat

Tue 4/8

12:10 pm-9:26 pm

2 stops18h 16m

$632

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 4/15

7:10 pm-4:50 pm

1 stop36h 40m

Madrid Barajas

Wed 4/30

2:45 pm-5:15 pm

1 stop35h 30m

$634

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Wed 4/2

1:30 pm-11:10 pm

1 stop24h 40m

Valencia

Wed 4/9

6:20 am-11:45 am

1 stop14h 25m

$634

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 3/29

8:20 pm-9:00 am

2 stops27h 40m

Madrid Barajas

Sat 4/5

12:40 pm-9:14 pm

1 stop17h 34m

$637

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Tue 4/1

5:50 pm-4:35 pm

1 stop13h 45m

Valencia

Tue 4/8

5:15 pm-4:00 pm

1 stop31h 45m

$638

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Thu 3/13

8:00 pm-11:00 am

1 stop31h 00m

Barcelona-El Prat

Tue 3/25

7:50 am-6:05 pm

1 stop18h 15m

$638

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Wed 4/2

11:50 am-4:35 pm

2 stops19h 45m

Valencia

Wed 4/9

6:20 am-4:00 pm

1 stop18h 40m

$642

SeattleIbiza

SEA - IBZ

SEAIBZ

Seattle/Tacoma Intl

Tue 4/1

6:00 am-10:05 pm

2 stops31h 05m

Ibiza

Tue 4/8

9:30 am-11:45 am

2 stops35h 15m

$646

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 60 results
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Best time to book a flight from Seattle to Spain

Have a flexible travel schedule? Discover the best time to fly to Spain from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle to Spain

Get recent, data-driven insights about flights from Seattle to Spain including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Seattle to Spain?

Currently, November is the cheapest month in which you can book a flight from Seattle to Spain (average of $543). Flying from Seattle to Spain in June is currently the most expensive (average of $1,124). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to ES?

Find hourly flight availability from Seattle to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Spain as you normally would.

Rainfall in Spain by month

Plan your trip to Spain by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Spain ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Spain when rainfall is around 0.8 in.

Temperature in Spain by month

Plan your trip to Spain by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Spain, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Spain. Reviews last updated February 20, 2025.
Read through reviews of airlines operating flights from Seattle to Spain, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,274 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Spain?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Spain.

  • What are the cheapest airlines to fly from Seattle to Spain one-way?

    One-way options have recently been found by users for as low as $471 on WestJet. Other airlines that offer cheap prices include Turkish Airlines from $479 and British Airways from $518 one-way.

  • What are the most popular routes from Seattle to Spain?

    The most popular flight routes from Seattle to Spain are Seattle/Tacoma Intl - Barcelona-El Prat, Seattle/Tacoma Intl - Madrid Barajas and Seattle/Tacoma Intl - Malaga.

  • Can I find deals for flights from Seattle to Spain that include hotel bookings?

    Yes. In addition to deals on Seattle to Spain flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Spain?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Spain.

  • Can I find deals for business class flights from Seattle to Spain?

    Yes. Cheapflights offers flight deals from Seattle to Spain by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Spain?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Spain (average of $543). Flying from Seattle to Spain in June is currently the most expensive (average of $1,124). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Seattle to Spain

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Seattle to Spain

Discover the top 10 airlines that operate flights from Seattle to Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$416Average$628FlexibilityNo cancel feeOn-time76%
WestJetCheapest$445Average$901FlexibilityNo cancel feeOn-time60%
Scandinavian AirlinesCheapest$475Average$595FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$501Average$941FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$525Average$1,058FlexibilityNo cancel feeOn-time77%
KLMCheapest$527Average$1,064FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$553Average$1,105FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$569Average$960FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$581Average$1,156FlexibilityNo cancel feeOn-time76%
CondorCheapest$597Average$1,107FlexibilityNo cancel feeOn-time76%
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